Before leaving for the holiday, organize the luggage in a smart way, so you could prevent the problems with a smile on your face. Adapt the clothes to the prognosis. If you are visiting the volcanic islands of Greece, you will need a hat, long dresses and shirts, and many beach lotions. Also, try to fond out how the locals are dressing. For example, you will be appreciated if you are not wearing a mini-skirt in Egypt, and you will also be protected from the sun.
Here are some items that must not miss from your suitcase in any way:
body lotions
antibacterial gel
wet ...